This ovulation calendar keeps track of your menstrual cycle most fertile days for the next 12 months and can tell you when is the best time to conceive. Below the form you can discover more on how the menstrual cycle works and how you can discover your ovulation signs.


The first day of your last menstrual period: *
Menstrual cycle length: *

How does this ovulation calendar work?

This great health tool can provide you with the most fertile days and the prospective due date in case of conception within that cycle. You will have to input the data of your menstrual cycle that is the length and the first day of the latest period.

The result you are going to receive will have a few data and a table for the following months and is going to comprise the current cycle, such as the most fertile days as well as the estimated due dates plus an ovulation calendar for the next 12 months that tell exactly when the fertile window day are going to be, the following period start and the estimated due date if necessary.

Example ovulation prediction:

Let’s take for instance a cycle length of 30 and the first day of the period September 17th 2014. The result is the following:

Based on your last period starting at September 17, 2014 the results are:

■ Your next menstrual period is most likely to start on October 17, 2014;

■ You next most fertile days are between October 01, 2014 and October 05, 2014;

■ The probable ovulation date is Oct 03, 2014;

■ If you conceive within these most fertile days October 01 - October 05, 2014 your estimated due date will be June 26, 2015.

This is the ovulation calendar for the next 12 months:

Period start Most fertile days Ovulation date Estimated due date
Sep 17, 2014 Oct 01 - Oct 05, 2014 Oct 03, 2014 Jun 26, 2015
Oct 17, 2014 Oct 31 - Nov 03, 2014 Nov 02, 2014 Jul 26, 2015
Nov 15, 2014 Nov 29 - Dec 03, 2014 Dec 01, 2014 Aug 24, 2015
Dec 15, 2014 Dec 29 - Jan 02, 2015 Dec 31, 2014 Sep 23, 2015
Jan 14, 2015 Jan 28 - Feb 01, 2015 Jan 30, 2015 Oct 23, 2015
Feb 13, 2015 Feb 27 - Mar 03, 2015 Mar 01, 2015 Nov 22, 2015
Mar 15, 2015 Mar 29 - Apr 02, 2015 Mar 31, 2015 Dec 21, 2015
Apr 14, 2015 Apr 28 - May 02, 2015 Apr 30, 2015 Jan 20, 2016
May 14, 2015 May 28 - Jun 01, 2015 May 30, 2015 Feb 19, 2016
Jun 13, 2015 Jun 27 - Jul 01, 2015 Jun 29, 2015 Mar 21, 2016
Jul 13, 2015 Jul 27 - Jul 31, 2015 Jul 29, 2015 Apr 20, 2016
Aug 12, 2015 Aug 26 - Aug 30, 2015 Aug 28, 2015 May 20, 2016

References

1) Young B. (2006) Wheater's Functional Histology: A Text and Colour Atlas (5th ed.) Elsevier Health Sciences.

2) Wilcox AJ, Baird DD, Weinberg CR. (1999) Time of implantation of the Conceptus and loss of pregnancy. New England Journal of Medicine 340 (23): 1796–1799

3) Beckmann CRB. (2010) Obstetrics and Gynecology. Lippincott Williams & Wilkins. pp. 306–307

11 Dec, 2014